Hospital shoes might be the answer. Nurse's shoes. Or the kind old ladies wear who work in the school cafeteria. Same difference.
10 seconds sound clip from the Sling Blade (1996) movie soundboard.
You can hear this line at 01:26:03 in the Blu-ray version of the movie.
Quote context
[...]
- Karl, maybe you and Melinda might like to take a walk tonight. It's such a nice evening.
- Vaughan, don't get pushy. I'm sorry.
- I kinda like walking from time to time.
- I stay on my feet all the time at work. I just can't find shoes that's comfortable.
- You and Karl aren't talking much. You boys must really like that food.
- Well, I ain't got nothing to say - anything about shoes.
- Listen, everybody. I... This might sound corny, but, um...
[...]